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Analysing a Conversion Test: z-Test, p-Value & Confidence Interval

Lesson 4 of 818 minLab

This lesson is part of the course

In this lesson

You analyse the finished delivery-date test: difference in conversion, z-score, two-sided p-value and the 95% confidence interval of the difference.

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Lessons in this course

  1. Metrics, Hypothesis & Minimum Detectable EffectLab14 min Locked
  2. Sample Size for a Conversion Test (80% Power)Lab16 min Locked
  3. Test Duration: From Sample Size to Full WeeksLab13 min Locked
  4. Analysing a Conversion Test: z-Test, p-Value & Confidence IntervalLab18 min Locked
  5. Revenue per Visitor: Welch t-Test on Skewed DataLab18 min Locked
  6. Many Variants: The Multiple-Comparison Problem & BonferroniLab18 min Locked
  7. Sample Ratio Mismatch: Chi-Square Check of the Traffic SplitLab15 min Locked
  8. Peeking & Sequential Testing: Why Early Stops LieLab18 min Locked